The PSU isn't a good choice due to the dual +12v rails & modular design. The extra connectors add potential failure points. And you certainly don't need 700W for that build. Anyone of these Corsair models will do:

Which CPU? I feel like 8 cores is a little overkill plus the lower clockrate. And I wanted a modular psu because my cause doesn't have to good cable management but I like the psu that you showed me and I wanted to go to two 8 GB sticks of ram:Patriot Viper 3 PV316G186C0KRD: http://www.tigerdirect.com/applicat...

another question. if i wanted to get two: XFX FX-777A-ZDFV AMD Radeon Double D HD 7770 Video Card ( http://www.tigerdirect.com/applicat... )would i still be able to run crossfire with this PSU? or would it even be worth doing?

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